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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is type inference in Java?
💡 Hint: Think about how Java provides types automatically.
Question 2
Easy
Define a lambda expression that returns the square of an integer.
💡 Hint: Remember the syntax format for lambda expressions.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What feature allows Java to determine the type of lambda parameters automatically?
- Type Inference
- Type Declaration
- Type Casting
💡 Hint: Think about how the compiler helps manage types.
Question 2
True or False: Target typing is irrelevant when using lambda expressions.
- True
- False
💡 Hint: Recall what role functional interfaces play.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a lambda expression to sort a list of integers in descending order while demonstrating type inference and target typing.
💡 Hint: Think about what kind of functional interface you're working with.
Question 2
Create a simple functional interface and implement it using a lambda expression, ensuring you incorporate type inference.
💡 Hint: Focus on defining the method signature first.
Challenge and get performance evaluation